$\dfrac{20xy^3}{6z}:\dfrac{2xy}{18z^5}=\dfrac{10xy^3}{3z}:\dfrac{xy}{9z^5}=\dfrac{10xy^3}{3z}\cdot\dfrac{9z^5}{xy}\\\\=\dfrac{10xy^3}{z}\cdot\dfrac{3z^5}{xy}=10y^2z^4\\\\\text{used:}\\ a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}$

3 0

3 years ago

Solve for z<br> THANK U SM<br> I WILL MARK BRAINILIEST

Anit [1.1K]

Answer:

z=7

Step-by-step explanation:

Combine like terms: 2z=14

Reduce the greatest common factor on both sides of the equation z=7

answer: z= 7

3 0

2 years ago

Read 2 more answers

What is the first step in solving this equation? 2(3x - 4) = 3x + 1 a combine like terms b move x to the other side c distributi

laila [671]

You need to do the distributive property first so the answer is C

7 0

2 years ago

What is 80% of 230? ​

What is 80% of 230?